Perhaps you should try some spelling variations:
"re communication theory" » "re communication technology", "de communication theory", "true communication theory", "une communication theory"
"jews colonization israel" » "jews communication israel", "jews colonization still", "jews colonization history", "its colonization israel", "mars colonization israel", "re colonization israel"
"re cooperation state" » "re cooperation scale", "re operation state", "re cooperation strategy", "de cooperation state", "area cooperation state", "rate cooperation state"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("jews colonization israel") or ("re communication theory"))) or ("re cooperation state"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("jews colonization israel") OR ("re communication theory"))) OR ("re cooperation state")).
• Removing quotes may allow a broader search: (((( jews colonization israel ) or ( re communication theory ))) or ( re cooperation state )).
• Adding a wildcard symbol may retrieve word variants: (((("jews colonization israel") or ("re communication theory"))) or ("re cooperation state"))*.